{"id":"DEBIAN-CVE-2023-54177","details":"In the Linux kernel, the following vulnerability has been resolved:  quota: fix warning in dqgrab()  There's issue as follows when do fault injection: WARNING: CPU: 1 PID: 14870 at include/linux/quotaops.h:51 dquot_disable+0x13b7/0x18c0 Modules linked in: CPU: 1 PID: 14870 Comm: fsconfig Not tainted 6.3.0-next-20230505-00006-g5107a9c821af-dirty #541 RIP: 0010:dquot_disable+0x13b7/0x18c0 RSP: 0018:ffffc9000acc79e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88825e41b980 RDX: 0000000000000000 RSI: ffff88825e41b980 RDI: 0000000000000002 RBP: ffff888179f68000 R08: ffffffff82087ca7 R09: 0000000000000000 R10: 0000000000000001 R11: ffffed102f3ed026 R12: ffff888179f68130 R13: ffff888179f68110 R14: dffffc0000000000 R15: ffff888179f68118 FS:  00007f450a073740(0000) GS:ffff88882fc00000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe96f2efd8 CR3: 000000025c8ad000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace:  \u003cTASK\u003e  dquot_load_quota_sb+0xd53/0x1060  dquot_resume+0x172/0x230  ext4_reconfigure+0x1dc6/0x27b0  reconfigure_super+0x515/0xa90  __x64_sys_fsconfig+0xb19/0xd20  do_syscall_64+0x39/0xb0  entry_SYSCALL_64_after_hwframe+0x63/0xcd  Above issue may happens as follows: ProcessA              ProcessB                    ProcessC sys_fsconfig   vfs_fsconfig_locked    reconfigure_super      ext4_remount       dquot_suspend -\u003e suspend all type quota                   sys_fsconfig                   vfs_fsconfig_locked                     reconfigure_super                      ext4_remount                       dquot_resume                        ret = dquot_load_quota_sb                         add_dquot_ref                                            do_open  -\u003e open file O_RDWR                                             vfs_open                                              do_dentry_open                                               get_write_access                                                atomic_inc_unless_negative(&inode-\u003ei_writecount)                                               ext4_file_open                                                dquot_file_open                                                 dquot_initialize                                                   __dquot_initialize                                                    dqget \t\t\t\t\t\t    atomic_inc(&dquot-\u003edq_count);                            __dquot_initialize                            __dquot_initialize                             dqget                              if (!test_bit(DQ_ACTIVE_B, &dquot-\u003edq_flags))                                ext4_acquire_dquot \t\t\t        -\u003e Return error DQ_ACTIVE_B flag isn't set                          dquot_disable \t\t\t  invalidate_dquots \t\t\t   if (atomic_read(&dquot-\u003edq_count)) \t                    dqgrab \t\t\t     WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot-\u003edq_flags)) \t                      -\u003e Trigger warning  In the above scenario, 'dquot-\u003edq_flags' has no DQ_ACTIVE_B is normal when dqgrab(). To solve above issue just replace the dqgrab() use in invalidate_dquots() with atomic_inc(&dquot-\u003edq_count).","modified":"2026-09-15T08:47:26.329895262Z","published":"2025-12-30T13:16:05.590Z","upstream":["CVE-2023-54177"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-54177"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.52-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-54177.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-54177.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-54177.json"}}],"schema_version":"1.9.0"}